DL 1584 then UA 2146 at LAX
Austin → Los Angeles → Denver
Timetable, Los Angeles time
20:26DL 1584 from Austin at the gate
16:17UA 2146 to Denver leaves the gate
19 h 51 apart on the timetable, overnight
UA 2146 leaves 19 h 51 after DL 1584 arrives on the timetable: more than half a day, so not a connection we count.